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Finding the Fourth Proportional to 2,573.32, 3,859.95 and 625.53

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Solution

The fourth proportional to 2,573.32, 3,859.95 and 625.53 is: 938.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573.32 : 3,859.95 = 625.53 : x
  2. Step 2: Convert to fraction form
    2,573.32/3,859.95 = 625.53/x
  3. Step 3: Cross multiply
    2,573.32x = 3,859.95 × 625.53
  4. Step 4: Simplify right side
    2,573.32x = 2,414,502.39
  5. Step 5: Solve for x
    x = 2,414,502.39/2,573.32
  6. Step 6: Final answer
    x = 938.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.